Bilguun132

//called when the button is pressed to go to the next view
  void _pushSaved() {
    Navigator.of(context).push( //get the current navigator
      new MaterialPageRoute<void>( //A modal route that replaces the entire screen with a platform-adaptive transition.
        builder: (BuildContext context) {
          final Iterable<ListTile> tiles = _saved.map( //iterate through our saved cryptocurrencies sequentially
            (crypto) {
              return new ListTile( //same list tile as what we have shown in the previous page
                leading: _getLeadingWidget(crypto['name'], Colors.blue),
                title: Text(crypto['name']),

Bilguun132

  _getMainBody() {
    if (_loading) {
      return new Center(
        child: new CircularProgressIndicator(),
      );
    } else {
      return new RefreshIndicator(
        child: _buildCryptoList(),
        onRefresh: getCryptoPrices,
      );

Bilguun132

import 'package:flutter/material.dart';
import 'dart:math';
import 'dart:async';
import 'dart:convert';
import 'dart:core';
import 'package:http/http.dart' as http;

void main() => runApp(MyApp());

class MyApp extends StatelessWidget {

Bilguun132

import 'package:flutter/material.dart';
import 'dart:math';
import 'dart:async';
import 'dart:convert';
import 'dart:core';
import 'package:http/http.dart' as http;

void main() => runApp(MyApp());

class MyApp extends StatelessWidget {

Bilguun132

import 'package:flutter/material.dart';
import 'dart:math';
import 'dart:async';
import 'dart:convert';
import 'dart:core';
import 'package:http/http.dart' as http;

void main() => runApp(MyApp());

class MyApp extends StatelessWidget {

Bilguun132

import 'package:flutter/material.dart';

void main() => runApp(MyApp());

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    //material app widget
    return MaterialApp(
      title: 'Crypto Price List',

Bilguun132

import 'package:flutter/material.dart';

//runApp calls MyApp
void main() => runApp(MyApp());

//Stateless Widget since this class has no state, once created will be immutable
class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    //A convenience widget that wraps a number of widgets that are commonly 

Bilguun132

async function createValidate() {
    const avengersMovie = new Movie({
        director: 'Joss Whedon',
        genre: [], //NoSQL Db -> Document can be complex object unlike MySQL
        price: 10
    });
    try {
        await avengersMovie.save()
        console.log(avengersMovie);
    }

Bilguun132

//create MovieSchema
const movieSchema = new mongoose.Schema({
    name: {
        type: String,
        required: true, //built in validation logic
        minlength: 5,
        maxlength: 200
    },
    director: String,
    genre: {

Bilguun132

async function updateMovie(id) {
    //query first
    const movie = await Movie.findById(id);
    if (!movie) return; 
    movie.name = 'New Movie'; //or you can do movie.set({name:'New Movie'})
    movie.save();

    //update first 
    const result = await Movie.update({_id: id}, {
        $set: {name: 'New Movie'}